<template>
  <div class="cartcontrol">
    <div class="cart-decrease" v-show="food.count>0"
         @click.stop.prevent="decreaseCart" transition="move">
      <span class="inner icon-remove_circle_outline"></span>
    </div>
    <div class="cart-count " v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop.prevent="addCart"></div>
  </div>
</template>

<script type="text/ecmascript-6">
  import Vue from 'vue';

  export default {
    props: {
        food: {
          type: Object
        }
    },
    methods: {
      addCart(event) {
          if (!event._constructed) {
              return;
          }
          if (!this.food.count) {
            Vue.set(this.food, 'count', 1);
          } else {
            this.food.count++;
          }
          this.$dispatch('cart.add', event.target);
      },
      decreaseCart(event) {
        if (!event._constructed) {
          return;
        }
        if (this.food.count) {
          this.food.count--;
        }
      }
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size :0
    .cart-decrease
      display :inline-block
      padding :6px
      transition :all 0.4s linear
      &.move-transition
        opacity :1
        transform :translate3d(0,0,0)
      .inner
        display :inline-block
        line-height :24px
        font-size :24px
        color :rgb(0,160,220)
        transition :all 0.4s linear
        transform :rotate(0)
      &.move-enter,&.move-leave
        opacity :0
        transform :translate3d(24px,0,0)
        .inner
          transform :rotate(180deg)
    .cart-count
      display :inline-block
      vertical-align :top
      width :12px
      padding-top :6px
      line-height :24px
      text-align :center
      font-size :10px
      color :rgb(147,153,159)
    .cart-add
      display :inline-block
      padding :6px
      line-height :24px
      font-size :24px
      color :rgb(0,160,220)
</style>
